.room-img{
    height: 150px;
    width: 150px;
    margin: auto;
}
.card{
    margin: 3%;
    padding: 5px;
}
#roomList{
    margin: 0;
    padding: 0;
}
.search:focus{
    /*取消搜索框阴影*/
    box-shadow: none;
}
.card:hover img{
    transform: scale(1.1);
    transition: all 0.6s ease;
}
.card::before{
    background: aqua;
    content: "";
    width: 50%;
    height: 50%;
    border-radius: 4px;
    position: absolute;
    transform: translate(-50%,-50%);
    top: 50%;
    left: 50%;
    z-index: -1;
    transition: all 0.6s ease;
}
.card:hover::before{
    height: 101%;
    width: 101%;
}
.card:hover{
    transform: scale(1.05);
    transition: all 0.6s ease;
}